GB1302059A - - Google Patents

Info

Publication number
GB1302059A
GB1302059A GB4635770A GB4635770A GB1302059A GB 1302059 A GB1302059 A GB 1302059A GB 4635770 A GB4635770 A GB 4635770A GB 4635770 A GB4635770 A GB 4635770A GB 1302059 A GB1302059 A GB 1302059A
Authority
GB
United Kingdom
Prior art keywords
film
substrate
wafer
edge
type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4635770A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1302059A publication Critical patent/GB1302059A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/63Vertical IGFETs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • H10D30/025Manufacture or treatment of FETs having insulated gates [IGFET] of vertical IGFETs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/17Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/393Body regions of DMOS transistors or IGBTs 
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/484Connecting portions
    • H01L2224/48463Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126Top-view geometrical layouts of the regions or the junctions
    • H10D62/127Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/514Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
    • H10D64/516Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/517Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
    • H10D64/519Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/60Electrodes characterised by their materials
    • H10D64/66Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
    • H10D64/661Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/60Electrodes characterised by their materials
    • H10D64/66Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
    • H10D64/665Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of elemental metal contacting the insulator, e.g. tungsten or molybdenum
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/053Field effect transistors fets
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/106Masks, special
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00Metal treatment
    • Y10S148/151Simultaneous diffusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Recrystallisation Techniques (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
  • Junction Field-Effect Transistors (AREA)
GB4635770A 1969-10-03 1970-09-29 Expired GB1302059A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86365469A 1969-10-03 1969-10-03

Publications (1)

Publication Number Publication Date
GB1302059A true GB1302059A (enrdf_load_stackoverflow) 1973-01-04

Family

ID=25341507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4635770A Expired GB1302059A (enrdf_load_stackoverflow) 1969-10-03 1970-09-29

Country Status (7)

Country Link
US (1) US3685140A (enrdf_load_stackoverflow)
JP (1) JPS509474B1 (enrdf_load_stackoverflow)
DE (1) DE2048482A1 (enrdf_load_stackoverflow)
FR (1) FR2064129B1 (enrdf_load_stackoverflow)
GB (1) GB1302059A (enrdf_load_stackoverflow)
IE (1) IE34535B1 (enrdf_load_stackoverflow)
NL (2) NL7014432A (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316555A (enrdf_load_stackoverflow) * 1969-08-12 1973-05-09
US3919007A (en) * 1969-08-12 1975-11-11 Kogyo Gijutsuin Method of manufacturing a field-effect transistor
US3793721A (en) * 1971-08-02 1974-02-26 Texas Instruments Inc Integrated circuit and method of fabrication
JPS5123432B2 (enrdf_load_stackoverflow) * 1971-08-26 1976-07-16
US3831432A (en) * 1972-09-05 1974-08-27 Texas Instruments Inc Environment monitoring device and system
JPS49105490A (enrdf_load_stackoverflow) * 1973-02-07 1974-10-05
US3863330A (en) * 1973-08-02 1975-02-04 Motorola Inc Self-aligned double-diffused MOS devices
JPS5224867A (en) * 1975-08-20 1977-02-24 Kaneko Agricult Machinery Suction dryer of unhusked rice
US4001050A (en) * 1975-11-10 1977-01-04 Ncr Corporation Method of fabricating an isolated p-n junction
US4028151A (en) * 1976-01-19 1977-06-07 Solarex Corporation Method of impregnating a semiconductor with a diffusant and article so formed
DE3040775C2 (de) * 1980-10-29 1987-01-15 Siemens AG, 1000 Berlin und 8000 München Steuerbares MIS-Halbleiterbauelement
JP2689606B2 (ja) * 1989-05-24 1997-12-10 富士電機株式会社 絶縁ゲート電界効果型トランジスタの製造方法
EP0730309B1 (en) * 1995-02-21 1998-10-14 STMicroelectronics S.r.l. A high voltage MOSFET structure with field plate electrode and process for its fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1514209A1 (de) * 1964-06-22 1969-05-22 Motorola Inc Transistor fuer niedrige Stroeme
FR1465239A (fr) * 1965-02-19 1967-01-06 United Aircraft Corp Procédé pour former des dispositifs semi-conducteurs à canaux étroits et semiconducteurs obtenus par le procédé
US3475234A (en) * 1967-03-27 1969-10-28 Bell Telephone Labor Inc Method for making mis structures
US3541676A (en) * 1967-12-18 1970-11-24 Gen Electric Method of forming field-effect transistors utilizing doped insulators as activator source

Also Published As

Publication number Publication date
NL96608C (enrdf_load_stackoverflow)
IE34535L (en) 1971-04-03
FR2064129A1 (enrdf_load_stackoverflow) 1971-07-16
FR2064129B1 (enrdf_load_stackoverflow) 1974-06-21
NL7014432A (enrdf_load_stackoverflow) 1971-04-06
DE2048482A1 (de) 1971-04-15
US3685140A (en) 1972-08-22
JPS509474B1 (enrdf_load_stackoverflow) 1975-04-12
IE34535B1 (en) 1975-06-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee